计算机概述及网络基础知识

计算机概述及网络基础知识TRUE/FALSEINDICATEWHETHERTHESENTENCEORSTATEMENTISTRUEORFALSETRUE/FALSE_1ACOMPUTERCANBEDEFINEDBYITSABILITYTOACCEPTINPUT,PROCESSDATA,STOREDATA,ANDPRODUCEOUTPUT,ALLACCORDINGTOASETOFINSTRUCTIONSFROMACOMPUTERPROGRAMANST_2STORAGEISTHEAREAOFACOMPUTERTHATTEMPORARILYHOLDSDATATHATISWAITINGTOBEPROCESSED,STORED,OROUTPUTANSF_3ACOMPUTERSTORESDATASOTHATITWILLBEAVAILABLEFORPROCESSINGANST_4MEMORYISTHEAREAWHEREDATACANBELEFTONAPERMANENTBASISWHENITISNOTIMMEDIATELYNEEDEDFORPROCESSINGANSF_5OUTPUT,INCLUDINGREPORTS,DOCUMENTS,MUSIC,GRAPHS,ANDPICTURES,ISTHERESULTPRODUCEDBYACOMPUTERANST_6THETERM“MINICOMPUTER”HASFALLENINTODISUSEANST_7ATABLETCOMPUTERISSIMILARINSIZETOANOTEBOOKCOMPUTER,BUTFEATURESATOUCHSENSITIVESCREENTHATCANBEUSEDFORINPUTINSTEADOFAKEYBOARDANST_8AHANDHELDCOMPUTERISSOMETIMESCALLEDAPDAANST_9THETERMWORKSTATIONCANNOTBEAPPLIEDTOORDINARYPERSONALCOMPUTERSTHATARECONNECTEDTOANETWORKANSF_10AMAINFRAMEISALARGEANDEXPENSIVECOMPUTER,CAPABLEOFSIMULTANEOUSLYPROCESSINGDATAFORHUNDREDSORTHOUSANDSOFUSERSANST_11THESYSTEMUNITISTHECASETHATHOLDSTHEMAINCIRCUITBOARDS,MICROPROCESSOR,POWERSUPPLY,ANDHARDDRIVEANST_12ACDDRIVEISASTORAGEDEVICETHATUSESLASERTECHNOLOGYTOREADDATAPERMANENTLYSTOREDONCOMPUTERORAUDIOCDSANST_13APPLICATIONSOFTWAREISASETOFCOMPUTERPROGRAMSTHATHELPSAPERSONCARRYOUTATASKANST_14TWOOFTHEMOSTPOPULARPERSONALCOMPUTERPLATFORMSAREPCSANDMACSANST_15COMMUNICATIONBETWEENALLOFTHEDIFFERENTDEVICESONTHEINTERNETISMADEPOSSIBLEBYHTTPHYPERTEXTTRANSFERPROTOCOL,ASTANDARDSETOFPROTOCOLSFORELECTRONICALLYADDRESSINGANDTRANSMITTINGDATAANSF（正确答案应将HTTP改为TCP/IPTRANSMISSIONCONTROLPROTOCOL/INTERNETPROTOCOL）_16DOWNLOADINGISTHEPROCESSOFTRANSFERRINGAFILEFROMAREMOTECOMPUTER,SUCHASASERVER,TOALOCALCOMPUTER,SUCHASYOURCOMPUTERANST_17THECHEAPESTTYPEOFCONNECTIONTOTHEINTERNETISREFERREDTOASADIALUPCONNECTION,WHICHACCESSESANEXISTINGTELEPHONELINEANST_18DIALUP,CABLEMODEM,ANDDSLSERVICEAREEXAMPLESOFALWAYSONCONNECTIONS持续连接ANSF_19APASSWORDISASERIESOFCHARACTERSTHATVERIFIESTHEUSERIDANDISSIMILARTOAPIN（PERSONALIDENTIFICATIONNUMBER）ANST_20EVERYWEBPAGEHASAUNIQUEADDRESSCALLEDAURLUNIFORMRESOURCELOCATORANST_21AWEBBROWSERISASOFTWAREPROGRAMTHATRUNSONYOURCOMPUTERANDHELPSYOUACCESSWEBPAGESANST_22THETERMSEARCHENGINEPOPULARLYREFERSTOAWEBSITETHATPROVIDESAVARIETYOFTOOLSTOHELPYOUFINDINFORMATION搜索引擎一般是指能提供多种工具以协助用户查找信息的网站。ANST_23COMPUTERSMANIPULATEDATAINMANYWAYS,ANDWECALLTHISMANIPULATIONOPERATING_ANSF,PROCESSING_24THESERIESOFINSTRUCTIONSTHATTELLACOMPUTERHOWTOCARRYOUTPROCESSINGTASKSISREFERREDTOASANCOMPUTERPROGRAMANST_25MEMORYISANAREAOFACOMPUTERTHATPERMANENTLYHOLDSDATAWHENITISNOTIMMEDIATELYNEEDEDFORPROCESSING_ANSF,STORAGE_26ACOMPUTERMINIPROCESSORISTWOORMORECOMPUTERSANDOTHERDEVICESTHATARECONNECTEDFORTHEPURPOSEOFSHARINGDATA,PROGRAMS,ANDHARDWARE_ANSF,NETWORK_27COMPUTERSADVERTISEDASWORKSTATIONSAREUSUALLYPOWERFULDESKTOPCOMPUTERSDESIGNEDFORSPECIALIZEDTASKS_ANST_28ANDATAFILECONTAINSTHEPROGRAMSORINSTRUCTIONSTHATTELLACOMPUTERHOWTOPERFORMASPECIFICTASK_ANSF,EXECUTABLE_29DATAFILESTYPICALLYHAVEEXEEXTENSIONS_ANSF,EXECUTABLE_30ASSHOWNINTHEFIGUREABOVE,THEWINDOWSAPPLICATIONSYSTEMDISPLAYSONSCREENGRAPHICALCONTROLSDESIGNEDTOBEMANIPULATEDBYAMOUSE_ANSF,OPERATING_31COMMUNICATIONBETWEENALLTHEDIFFERENTDEVICESONTHEINTERNETISMADEPOSSIBLEBYHTTP_ANSF,TCP/IP_32UPLOADINGISTHEPROCESSOFTRANSFERRINGAFILEFROMAREMOTECOMPUTERTOALOCALCOMPUTER_ANSF,DOWNLOADING_33ANISPISACOMPANYTHATMAINTAINSINTERNETCOMPUTERSANDTELECOMMUNICATIONSEQUIPMENTINORDERTOPROVIDEINTERNETACCESSTOBUSINESSES,ORGANIZATIONS,ANDINDIVIDUALS_ANST_34MOSTBROWSERSHAVEANFORWARDBUTTONTHATYOUCANCLICKIFYOUDONTWANTTOWAITFORAPAGETHATISTAKINGAVERYLONGTIMETOAPPEARONYOURSCREEN_ANSF,STOP_35HTTPHYPERTEXTTRANSFERPROTOCOLTAGS,EMBEDDEDINWEBPAGES,TELLYOURBROWSERHOWTODISPLAYTHEPAGE_ANSFHTMLHYPERTEXTMARKUPLANGUAGE（嵌入在网页中的HTML标记，告知浏览器如何显示信息）_36ANQUERYISANYWORDTHATDESCRIBESTHEINFORMATIONYOUARETRYINGTOFINDONTHEINTERNET_ANSF,KEYWORD_37ASPAMFILTERAUTOMATICALLYROUTESADVERTISEMENTSANDOTHERJUNKMAILTOTHEDELETEDITEMSFOLDERMAINTAINEDBYYOUREMAILCLIENT_77ANSTREF40（垃圾邮件过滤器能自动识别广告和其它垃圾邮件，并将其转到由代理商维护的已删除项目（DELETEDITEMS）文件夹下）MULTIPLECHOICEIDENTIFYTHELETTEROFTHECHOICETHATBESTCOMPLETESTHESTATEMENTORANSWERSTHEQUESTION_38ACOMPUTERISADEVICETHAT_AACCEPTSDATABSTORESDATACPRODUCESOUTPUTDALLOFTHEABOVEANSD_39DATAISPROCESSEDINTHE_ACENTRALPROCESSINGUNITCPUBMEMORYCHIPMCCSTORAGEUNITSUDPERSONALDIGITALASSISTANTPDAANSA_40_ISANAREAOFACOMPUTERTHATTEMPORARILYHOLDSDATATHATISWAITINGTOBEPROCESSED,STORED,OROUTPUTAMEMORYBSTORAGECINPUTDOUTPUTANSA_41THEIDEAOFA_PROGRAMMEANSTHATASERIESOFINSTRUCTIONSFORACOMPUTINGTASKCANBELOADEDINTOACOMPUTERSMEMORYAKEPTBPERMANENTCWIREDDSTOREDANSD_42A_COMPUTERISATYPEOFMICROCOMPUTERTHATISDESIGNEDTOMEETTHENEEDSOFANINDIVIDUALAMAINFRAMEBPERSONALCDIGITALDMINIANSB_43A_ISSMALLANDLIGHTWEIGHT,GIVINGITTHEADVANTAGEOFPORTABILITY（可携带，轻便）AMINICOMPUTERBMICROCOMPUTERCMACROCOMPUTERDNOTEBOOKCOMPUTERANSD_44A_COMPUTERISSIMILARINSIZETOANOTEBOOKCOMPUTER,BUTFEATURESATOUCHSENSITIVESCREENTHATCANBEUSEDFORINPUTAPDABTABLETCDESKTOPDMICROCOMPUTERANSB_45ACOMPUTER_ISTWOORMORECOMPUTERSOROTHERDEVICESTHATARECONNECTEDFORTHEPURPOSEOFSHARINGDATAANDPROGRAMSAPANELBPDAPERSONALDIGITALASSISTANTCMATRIXDNETWORKANSD_46A_ISSIMPLYACOMPUTERNETWORKTHATISLOCATEDWITHINALIMITEDGEOGRAPHICALAREAACONSOLEBLANLOCALAREANETWORKCWANWIDEAREANETWORKDPDAPERSONALDIGITALASSISTANTANSB_47A_ISALARGEANDEXPENSIVECOMPUTERTHATISCAPABLEOFSIMULTANEOUSLY（同时）PROCESSINGDATAFORHUNDREDSORTHOUSANDSOFUSERSAMICROCOMPUTERBMINICOMPUTERCMAINFRAMEDSERVERANSC_48TYPICALUSESFORSUPERCOMPUTERSINCLUDE_ABREAKINGCODES（破译密码）BMODELINGWORLDWIDEWEATHERSYSTEMS（全球气象系统建模）CSIMULATINGNUCLEAREXPLOSIONS（模拟核弹爆炸）DALLOFTHEABOVEANSD_49ACOMPUTERFALLSINTO（属于）THE_CATEGORYIFITIS,ATTHETIMEOFCONSTRUCTION,ONEOFTHEFASTESTCOMPUTERSINTHEWORLDAMINICOMPUTERBSUPERCOMPUTERCMICROCOMPUTERDMAINFRAMEANSB_50APERSONALCOMPUTERTHATREQUESTSDATAFROMASERVERISCALLEDA_ACLIENTBMASKCCIRCUITDPDAPERSONALDIGITALASSISTANTANSA_51THE_UNITISTHECASETHATHOLDSTHEMAINCIRCUITBOARDS,MICROPROCESSOR,POWERSUPPLY,ANDSTORAGEDEVICESAMAINBHOUSECABODEDSYSTEMANSD_52NOTEBOOKCOMPUTERSUSEAFLATPANEL_SCREENTHATISATTACHEDTOTHESYSTEMUNITAPDABHTMLCLCD（液晶显示屏）DURLANSC_53THETERM_DEVICEDESIGNATESEQUIPMENTTHATMIGHTBEADDEDTOACOMPUTERSYSTEMTOENHANCEITSFUNCTIONALITYADIGITALBSYSTEMCDISKDPERIPHERALANSD（外围设备是指那些可以附加到计算机系统中以增强计算机功能的设备）_54INTERMSOFDATASTORAGE,EACH1OR0ISCALLEDAN_AANALOGBBITCBYTEDLOGANSB_55MOSTCOMPUTERSSTOREDATAINAN_FORMATASASERIESOF1SAND0SAANALOGBDIGITALCLOGICALDEXECUTABLEANSB_56EIGHTBITSARECALLEDAN_AUNITBANALOGCBYTEDEXTENSIONANSC_57AN_FILEMIGHTCONTAINTHETEXTFORADOCUMENT,THENUMBERSFORACALCULATION,THESPECIFICATIONSFORAGRAPH,THEFRAMESOFAVIDEO,THECONTENTSOFAWEBPAGE,ORTHENOTESOFAMUSICALPASSAGEAEXECUTABLEBDATACEXTENDEDDSOURCEANSB数据文件包含能被处理的数据，例如文件的文本、计算的数字、图形的规格、视频的画面、网页的内容或者乐谱的音符等。_58AN_FILECONTAINSTHEPROGRAMSTHATTELLACOMPUTERHOWTOPERFORMASPECIFICTASKADATABEXTENDEDCEXECUTABLEDSOURCEANSC_59DATABECOMES_WHENITISPRESENTEDINAFORMATTHATPEOPLECANUNDERSTANDANDUSEAINFORMATIONBSYMBOLICCFIGURESDRECORDSANSA_60THEEXTENSION_INDICATESAGRAPHICFILEAEXEBHTMCBMPDALLOFTHEABOVEANSC_61_SOFTWAREISASETOFCOMPUTERPROGRAMSTHATHELPSAPERSONCARRYOUTATASKASYSTEMBDOCUMENTCAPPLICATIONDSERVERANSC_62AN_SYSTEM,SUCHASWINDOWS,UNIX,ORMACOS,ISESSENTIALLYTHEMASTERCONTROLLERFORALLOFTHEACTIVITIESTHATTAKEPLACEWITHINACOMPUTERAMATRIXBOPERATINGCCONTROLDPANELANSB_63WHICHOFTHEFOLLOWINGISANOPERATINGSYSTEMFORSERVERSALINUXBWINDOWSCUNIXDALLOFTHEABOVEANSD_64COMMUNICATIONBETWEENALLOFTHEDIFFERENTDEVICESONTHEINTERNETISMADEPOSSIBLEBY_AATTHEYAREGREATFORSOUNDEFFECTSANDFORCONTROLLINGKEYBOARDSANDOTHERDIGITALINSTRUMENTS_11FORTUNATELY,ANTIVIRUSSOFTWAREIS100RELIABLE_12INWINDOWSEXPLORER,THELEFTPANEDISPLAYSTHEFOLDERSANDFILESTHATARECONTAINEDINTHECURRENTLYOPENFOLDERINTHERIGHTPANE_13THEPLUSSIGNICONCANBEUSEDTOEXPANDADEVICEORFOLDERTODISPLAYTHENEXTLEVELOFTHEHIERARCHY_14FORMATTINGPREPARESTHESURFACEOFADISKTOHOLDDATA_15EVERYONEWHOUSESTHEINTERNETMUSTHAVEADOMAINNAME_16ACOLLECTIONOFWEBPAGESCANBEGROUPEDINTOAWEBSITE_17ANYSERVERTHATCREATESACOOKIECANONLYREQUESTTHATCOOKIEDURINGTHECURRENTSESSIONITCANNOTREQUESTTHECOOKIETHENEXTTIMEYOUCONNECTTOONEOFITSWEBPAGES_18PRIVACYADVOCATESQUESTIONTHEWISDOMOFSEARCHENGINESRETAININGQUERIES_19EMAILISBASEDONSTOREANDFORWARDTECHNOLOGY_20RATHERTHANBLOCKALLCOOKIES,YOUCANBLOCKCOOKIESFROMSPECIFICSITESSAMPLEEXAM1ANSWERSECTIONTRUE/FALSEFTFFTFFTTFFFTTFTFTTTTRUE/FALSEINDICATEWHETHERTHESTATEMENTISTRUEORFALSE_1THETERMBLOG,SHORTFORWEBLOGS,REFERSTOAPERSONALJOURNALPOSTEDONTHEWEBFORACCESSBYTHEGENERALPUBLIC_2AMAINFRAMEISALARGEANDEXPENSIVECOMPUTER,CAPABLEOFSIMULTANEOUSLYPROCESSINGDATAFORHUNDREDSORTHOUSANDSOFUSERS_3MEGAHERTZMEANSABILLIONCYCLESPERSECOND_4AUSBFLASHDRIVEISAPORTABLESTORAGEDEVICEFEATURINGABUILTINCONNECTORTHATPLUGSDIRECTLYINTOACOMPUTERSUSBPORT_5ATRACKBALLLOOKSLIKETHETIPOFANERASEREMBEDDEDINTHEKEYBOARDOFANOTEBOOKCOMPUTER_6WORDPROCESSINGSOFTWAREGIVESYOUTHEABILITYTOCREATE,SPELLCHECK,EDIT,ANDFORMATADOCUMENTONTHESCREENBEFOREYOUCOMMITITTOPAPER_7ASOFTWAREPURCHASERISNOTALLOWEDTOMAKEACOPYOFTHESOFTWAREPROGRAMUNDERANYCIRCUMSTANCES_8FORTUNATELY,ANTIVIRUSSOFTWAREIS100RELIABLE_9THETERM“RESOURCE”REFERSTOANYCOMPONENTTHATISREQUIREDTOPERFORMWORK_10WINDOWSPROVIDESAHELPSYSTEMTHATYOUCANUSETOFINDOUTHOWVARIOUSCOMMANDSWORK_11AFOLDERNAMEISSEPARATEDFROMADRIVELETTERANDOTHERFOLDERNAMESBYASPECIALSYMBOLINWINDOWS,THISSYMBOLISTHEPERIOD_12THESAVEASOPTIONONTHEFILEMENUSAVESTHELATESTVERSIONOFAFILEUNDERITSCURRENTNAMEANDATITSCURRENTLOCATION_13MOSTFLOPPYANDZIPDISKSAREPREFORMATTEDATTHEFACTORY_14ABACKUPMUSTBESTOREDONTHESAMESTORAGEMEDIUMASTHEORIGINALFILES_15EVENIFAFULLSYSTEMBACKUPISNOTPLANNED,MANYEXPERTSRECOMMENDTHATYOUATLEASTCOPYTHEREGISTRYFILETOASEPARATEFOLDERONTHEHARDDISKORTOAFLOPPYDISK_16ADSLCONNECTIONCANCARRYDATABUTNOTVOICE_17APDAHASALARGEENOUGHSCREENTODISPLAYMOSTINTERNETSERVICESANDWEBPAGESATTHEIRNORMALSIZE_18MOSTAPPLICATIONSLIKETHESOFTWAREINTHEFIGUREABOVEAREBASEDONACLIENT/SERVERMODELTHATUSESASERVERTOHANDLECOMMUNICATIONPACKETSBETWEENTHEPARTICIPANTS_19ASTANDALONECOMPUTERWITHANALWAYSONDSL,ISDN,ORCABLEMODEMCONNECTIONISPARTICULARLYSUSCEPTIBLETOINTRUSIONS_20PERIODICALLY,YOUSHOULDREVIEWTHEINFORMATIONONYOURWEBPAGESANDVERIFYTHATTHELINKSSTILLCONNECTTOEXISTINGWEBPAGESANSWERSECTIONTRUE/FALSETTFTFTFFTTFFTFTFFTTTMULTIPLECHOICEIDENTIFYTHECHOICETHATBESTCOMPLETESTHESTATEMENTORANSWERSTHEQUESTION_21WHICHOFTHEFOLLOWINGISNOTANEXAMPLEOFCONVERGENCEAACELLPHONEWITHACAMERABATHERMOMETERTHATREPORTSTHEHUMIDITYC80MILLIONWEBSITES,EACHWITHTHOUSANDSOFWEBPAGESDAPDATHATPLAYSDIGITALMUSIC_22AN_DEVICEWORKSWITHCONTINUOUSDATAAANALOGCBINARYBSTREAMINGDDIGITAL_23AN_DEVICEWORKSWITHDISCRETEDATAORDIGITS,SUCHAS1OR0AANALOGCMETEREDBDIGITALDDATA_24AN_CODEISACOMMANDWORDFORANOPERATIONSUCHASADD,COMPARE,ORJUMPAOBJECTCMATRIXBOPDMACHINE_25WHENAPROGRAMBEGINS,THEMEMORYADDRESSOFTHEFIRSTINSTRUCTIONISPLACEDINAPARTOFTHEMICROPROCESSORSCONTROLUNITCALLEDANINSTRUCTION_AINDEXCPOINTERBVARIABLEDCONSTANT_26_MEANSABILLIONCYCLESPERSECONDAGIGAHERTZCEXAHERTZBMEGAHERTZDNANOHERTZ_27_SIZEREFERSTOTHENUMBEROFBITSTHATAMICROPROCESSORCANMANIPULATEATONETIMEAPROCESSORCREGISTERBWORDDALU_28AN_STRIPMONITORSTHEELECTRICALCURRENTTHATPASSESFROMTHEOUTLETTOALLTHEDEVICESPLUGGEDINTOTHESTRIPAOUTLETCBACKUPBSURGEDBATTERY_29THE_INDICATESTHATTHEOPERATINGSYSTEMHASENCOUNTEREDANERRORFROMWHICHITCANNOTRECOVER,ANDTHECOMPUTERNOLONGERACCEPTSANYCOMMANDSASTOPCRISCBBSODDHTTP_30THETHREEMOSTPOPULARTYPESOFDOCUMENTPRODUCTIONSOFTWAREARE_AWORDPROCESSING,DESKTOPPUBLISHING,ANDWEBAUTHORINGCWORDPROCESSING,SPREADSHEETS,ANDWEBAUTHORINGBSPREADSHEETS,DESKTOPPUBLISHING,ANDWEBAUTHORINGDWORDPROCESSING,DESKTOPPUBLISHING,ANDSPREADSHEETS_31_REFERSTOTHEVERTICALSPACINGBETWEENLINESATRACKINGCKEYINGBLEADINGDLOCKING答案CABBCABBBABMULTIPLECHOICE_24WHICHOFTHEFOLLOWINGDOESDATAREPRESENTAEVENTSCTHINGSBIDEASDALLOFTHEABOVE_25SOLIDSTATESTORAGE_APROVIDESSLOWERACCESSTODATATHANMAGNETICSTORAGETECHNOLOGYBPROVIDESFASTERACCESSTODATATHANOPTICALSTORAGETECHNOLOGYCINCLUDESMOVINGPARTSDSTORESDATAINAVOLATILECHIP_26USINGATECHNOLOGYCALLED_,APROCESSORCANBEGINEXECUTINGANINSTRUCTIONBEFOREITCOMPLETESTHEPREVIOUSINSTRUCTIONASERIALPROCESSINGCPIPELININGBMULTITASKINGDBENCHMARKING_27_ISFASTANDRELATIVELYINEXPENSIVEARDRAMCDIMMBRIMMDSDRAM_28A_ISASUDDENINCREASEORSPIKEINELECTRICALENERGY,AFFECTINGTHECURRENTTHATFLOWSTOELECTRICALOUTLETSABROWNOUTCPOWERSURGEBUPSDBATTERYBLAST_29FONTSIZEISMEASUREDAS_SIZEAILLUSTRATIONCDOCUMENTBPOINTDPARAGRAPH_30ONEPOINTISABOUT1/_OFANINCHA24C72B36D108_31_SOFTWAREHASRESTRICTIONONITSUSETHATAREDELINEATEDBYCOPYRIGHT,PATENTS,ORLICENSEAGREEMENTSAUTILITYCPUBLICDOMAINBPROPRIETARYDDEMO_32AN_APPROACHTOCREATINGSOFTWAREALLOWSSOFTWAREDEVELOPERSTOREUSETHEIRSUPPORTPROGRAMSINMULTIPLESOFTWAREPRODUCTSANDADAPTPREPROGRAMMEDSUPPORTMODULESFORUSEINTHEIROWNSOFTWAREAMODULARCINDEXEDBPROPRIETARYDSEQUENTIALSAMPLEEXAM2ANSWERSECTIONBADDBCDCBCBATRUE/FALSEINDICATEWHETHERTHESTATEMENTISTRUEORFALSE_1FREEDOMOFSPEECHISAUNIVERSALABSOLUTEP10_2TODAY,JUSTABOUTEVERYCOMPUTERUSESONEORMOREMICROPROCESSORSASITSCPU_3AMAINFRAMEISALARGEANDEXPENSIVECOMPUTER,CAPABLEOFSIMULTANEOUSLYPROCESSINGDATAFORHUNDREDSORTHOUSANDSOFUSERS_4AHANDHELDCOMPUTER,WITHADDONS,ISPOWERFULENOUGHTOHANDLEALLOFTHETASKSPERFORMEDBYADESKTOPCOMPUTER_5IMAGESCANBEDIGITIZEDBYTREATINGTHEMASASERIESOFCOLOREDDOTS_6THEMOTHERBOARDISASYNONYMFORTHEMAINCIRCUITBOARDINSIDETHESYSTEMUNIT_7PROGRAMSTHATCONTROLDIGITALDEVICESAREUSUALLYWRITTENINAHIGHLEVELPROGRAMMINGLANGUAGE,SUCHASC,BASIC,COBOL,ORJAVAP29_8APASSWORDISASERIESOFCHARACTERSTHATVERIFIESTHEUSERIDANDGUARANTEESTHATYOUARETHEPERSONYOUCLAIMTOBE_9ACDDRIVEISASTORAGEDEVICETHATUSESLASERTECHNOLOGYTOREADDATAPERMANENTLYSTOREDONCOMPUTERORAUDIOCDS_10TODAY,AHOMECOMPUTERSYSTEMOFFERSAHARDWAREPLATFORMWITHSUPERCHARGEDSUPPORTFORMOSTCOMPUTERAPPLICATIONS_11PROCESSORSWITHASMALLERWORDSIZECANPROCESSMOREDATADURINGEACHPROCESSORCYCLEP56_12TODAYSPERSONALCOMPUTERSTYPICALLYCONTAIN32BITOR64BITPROCESSORS_13TOOMUCHDEPENDENCEONVIRTUALMEMORYCANHAVEANEGATIVEEFFECTONYOURCOMPUTERSPERFORMANCEBECAUSEGETTINGDATAFROMAMECHANICALDEVICEISMUCHSLOWERTHANGETTINGDATAFROMANELECTRONICDEVICE_14“160GB8MSHD”MEANSAHARDDISKDRIVEWITH160MEGABYTECAPACITYANDANACCESSTIMEOF8MILLISECONDS_15DVDRTECHNOLOGYALLOWSYOUTOWRITEDATAONADISK,ANDTHENCHANGETHATDATAP71_16MOSTCDDRIVESCANREADCDROM,CDR,CDRW,DVDROM,DVDR,DVDR,DVDRWANDDVDRW_17AUSBFLASHDRIVEISAPORTABLESTORAGEDEVICEFEATURINGABUILTINCONNECTORTHATPLUGSDIRECTLYINTOACOMPUTERSUSBPORT_18ANINKJETPRINTERHASANOZZLELIKEPRINTHEADTHATSPRAYSINKONTOPAPERTOFORMCHARACTERSANDGRAPHICS_19THEPRIMARYPURPOSEOFAPPLICATIONSOFTWAREISTOHELPPEOPLECARRYOUTTASKSUSINGACOMPUTERP96_20WORDPROCESSINGSOFTWAREGIVESYOUTHEABILITYTOCREATE,SPELLCHECK,EDIT,ANDFORMATADOCUMENTONTHESCREENBEFOREYOUCOMMITITTOPAPER_21MP3SEQUENCINGSOFTWAREANDSOFTWARESYNTHESIZERSAREANIMPORTANTPARTOFTHESTUDIOMUSICIANSTOOLBOXTHEYAREGREATFORSOUNDEFFECTSANDFORCONTROLLINGKEYBOARDSANDOTHERDIGITALINSTRUMENTSP115_22ASOFTWAREPURCHASERHASTHERIGHTTOCOPYSOFTWAREFROMADISTRIBUTIONDISKORWEBSITETOACOMPUTERSHARDDISKINORDERTOINSTALLITP122）_23ASOFTWAREPURCHASERISNOTALLOWEDTOMAKEACOPYOFTHESOFTWAREPROGRAMUNDERANYCIRCUMSTANCESP122_24USEREXECUTABLEPROGRAMFILESHAVEEXEFILENAMEEXTENSIONS_25AKEYCHARACTERISTICOFVIRUSESISTHEIRABILITYTO“LURK”INACOMPUTERFORDAYSORMONTHS,QUIETLYREPLICATINGTHEMSELVES_26FORTUNATELY,ANTIVIRUSSOFTWAREIS100RELIABLE_27YOUCANNOTUSERESERVEDWORDSASPARTOFALON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